Darlly 90501 Pool Filter Cartridge
Replaces Unicel C-9650 · Pleatco PJ50 (now ULTRA-C11) · Filbur FC-1460
- Diameter × length
- 9-15/16" × 10"
- Filter area
- 50 sq ft
- End caps
- 5-13/16" Open / 6-1/16" Open
- Per filter
- 1 cartridge
Pool and spa businesses in Florida, Georgia, South Carolina, Alabama, Mississippi, Louisiana and Texas order through their Grit Game rep. Everywhere else, contact Darlly Filtration directly.
Darlly 90501 is a 50 sq ft pool filter cartridge, 9-15/16" x 10". It fits the Jacuzzi CFR 50, CFT 50. It replaces Unicel C-9650, Pleatco PJ50 (now ULTRA-C11), Filbur FC-1460 and Jacuzzi 42-2940-09-R.
Specifications
| Darlly part number | 90501 |
|---|---|
| Outside diameter | 9-15/16" |
| Length | 10" |
| Top end cap | 5-13/16" Open |
| Bottom end cap | 6-1/16" Open |
| Filter area | 50 sq ft |
| Type | Pool |
| Blue antimicrobial version | 90501M |
| Darlly description | Jacuzzi CFR-50 |
Cross-reference
| Brand | Part numbers Darlly 90501 replaces |
|---|---|
| Unicel | C-9650 |
| Pleatco | PJ50 (now ULTRA-C11), ULTRA-C11 |
| Filbur | FC-1460 |
| Hurricane (former brand) | HF9650-01 |
| OEM and other numbers | Jacuzzi 42-2940-09-R |
Older or other numbers that also point to this cartridge (not confirmed by a second source): PJ50-4 (Pleatco).
Filters it fits
| Filter | Cartridges per filter | OEM cartridge number |
|---|---|---|
| Jacuzzi CFR 50, CFT 50 (50 sq ft filter) | 1 | 42-2940-09-R |
Questions
- What is the Darlly replacement for Unicel C-9650?
- Darlly 90501 replaces Unicel C-9650. Both are 9-15/16" in diameter and about 10" long.
- What Darlly cartridge replaces Pleatco PJ50?
- Darlly 90501 replaces Pleatco PJ50, which Pleatco now sells as ULTRA-C11.
- What size is Darlly 90501?
- Darlly 90501 is 9-15/16" in outside diameter and 10" long, with 50 sq ft of filter area.
Cross-reference checked October 21, 2026 against Unicel's 2026 Replacement Guide, Pleatco's catalog (updated September 2025), filbur.com and darllyfilter.com. A competitor number is listed only when that brand's own data pairs it with the same cartridge size. Always compare the size and end caps of your old cartridge before ordering.
Brand names and part numbers are trademarks of their respective owners and are shown only to identify compatible replacements. Darlly Filtration is not affiliated with or endorsed by them. Cross-reference by The Grit Game, Darlly's sales agency.